ducmint864,Duc Minh,github

$$\   $$\           $$\ $$\                 $$\      $$\           $$\                 $$\ 
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$$ |  $$ |$$   ____|$$ |$$ |$$ |  $$ |      $$$  / \$$$ |$$ |  $$ |$$ |$$ |      $$ |  $$ |
$$ |  $$ |\$$$$$$$\ $$ |$$ |\$$$$$$  |      $$  /   \$$ |\$$$$$$  |$$ |$$ |      \$$$$$$$ |
\__|  \__| \_______|\__|\__| \______/       \__/     \__| \______/ \__|\__|       \_______|

   $$\        $$$$$$\                     $$\                         $$\           $$$$$$\           $$$$$$\           
  $$  |      $$  __$$\                    $$ |                        $$ |          \_$$  _|         $$  __$$\          
 $$  /       $$ /  \__|$$$$$$\  $$$$$$$\$$$$$$\   $$$$$$\   $$$$$$$\$$$$$$\           $$ | $$$$$$$\  $$ /  \__|$$$$$$\  
$$  /$$$$$$\ $$ |     $$  __$$\ $$  __$$\_$$  _|  \____$$\ $$  _____\_$$  _|          $$ | $$  __$$\ $$$$\    $$  __$$\ 
\$$< \______|$$ |     $$ /  $$ |$$ |  $$ |$$ |    $$$$$$$ |$$ /       $$ |            $$ | $$ |  $$ |$$  _|   $$ /  $$ |
 \$$\        $$ |  $$\$$ |  $$ |$$ |  $$ |$$ |$$\$$  __$$ |$$ |       $$ |$$\         $$ | $$ |  $$ |$$ |     $$ |  $$ |
  \$$\       \$$$$$$  \$$$$$$  |$$ |  $$ |\$$$$  \$$$$$$$ |\$$$$$$$\  \$$$$  |      $$$$$$\$$ |  $$ |$$ |     \$$$$$$  |
   \__|       \______/ \______/ \__|  \__| \____/ \_______| \_______|  \____/       \______\__|  \__|\__|      \______/

About me

👋 Hey there, thrilled to meet! I am Minh, a sophomore at the University of Information Technology, Ho Chi Minh City, Vietnam

🔭 My journey in tech is fueled by a deep passion for Blockchain, with particular interests in exploring the realms of Web3, DeFi (Decentralized Finance), and Decentralized Identity. Alongside Blockchain, I find myself drawn to the vast possibilities of Big Data and the intriguing world of AI (Artificial Intelligence).

🌱 Currently, I'm fully immersed in the fascinating world of Blockchain and Smart Contracts development. It's an exhilarating journey filled with constant learning and discovery, and I'm excited to see where it takes me.

👯 I believe that the best way to grow is by surrounding oneself with like-minded individuals who share the same passion and drive. That's why I'm actively seeking out passionate people to connect with, learn from, and collaborate on exciting projects.

🤔 While I'm diving deep into Blockchain development, I'm always open to new insights and perspectives. Whether it's mastering specific blockchain concepts, delving deeper into AI technologies, or exploring innovative solutions, I'm eager to expand my knowledge and skills.

Let's connect, learn, and innovate together as we navigate the ever-evolving landscape of technology!

💻 My frequently-used tools and technologies

Golang	Python	Solidity	JavaScript	TypeScript	Node.js	C++	Java
HTML5	CSS	Next.js	Tailwind	Express.js	Github	Git	Docker
MongoDB	PostgreSQL	OracleSQL	GraphQL	VsCode	Vim	Latex	Linux

My Enthusiasm

      ___          ___   ___          ___          ___          ___          ___          ___                     ___     
     /\  \        /\__\ /\  \        /\  \        /\__\        /\  \        /\__\        /\  \         ___       /\__\    
    /::\  \      /:/  //::\  \      /::\  \      /:/  /       /::\  \      /:/  /       /::\  \       /\  \     /::|  |   
   /:/\:\  \    /:/  //:/\:\  \    /:/\:\  \    /:/__/       /:/\:\  \    /:/__/       /:/\:\  \      \:\  \   /:|:|  |   
  /::\~\:\__\  /:/  //:/  \:\  \  /:/  \:\  \  /::\__\____  /:/  \:\  \  /::\  \ ___  /::\~\:\  \     /::\__\ /:/|:|  |__ 
 /:/\:\ \:|__|/:/__//:/__/ \:\__\/:/__/ \:\__\/:/\:::::\__\/:/__/ \:\__\/:/\:\  /\__\/:/\:\ \:\__\ __/:/\/__//:/ |:| /\__\
 \:\~\:\/:/  /\:\  \\:\  \ /:/  /\:\  \  \/__/\/_|:|~~|~   \:\  \  \/__/\/__\:\/:/  /\/__\:\/:/  //\/:/  /   \/__|:|/:/  /
  \:\ \::/  /  \:\  \\:\  /:/  /  \:\  \         |:|  |     \:\  \           \::/  /      \::/  / \::/__/        |:/:/  / 
   \:\/:/  /    \:\  \\:\/:/  /    \:\  \        |:|  |      \:\  \          /:/  /       /:/  /   \:\__\        |::/  /  
    \::/__/      \:\__\\::/  /      \:\__\       |:|  |       \:\__\        /:/  /       /:/  /     \/__/        /:/  /   
     ~~           \/__/ \/__/        \/__/        \|__|        \/__/        \/__/        \/__/                   \/__/

I am deeply passionate about the transformative potential of blockchain technology and its profound impact on the tech industry. I firmly believe that blockchain has the power to revolutionize the very fabric of the Internet, completely transforming its underlying infrastructure. What excites me most is its ability to seamlessly collaborate and integrate with other cutting-edge technologies like AI, opening up a world of possibilities.

Although blockchain is still in its early stages, reminiscent of the Internet's beginnings in the '90s, there's an incredible momentum building as more and more innovators grasp its hidden power and work tirelessly to accelerate its development. Blockchain offers us a glimpse into an extraordinary future, presenting an opportunity for us to come together and be a part of industry-wide transformation.

For those eager to delve deeper into this fascinating realm, I highly recommend "Blockchain Revolution" by Don Tapscott. It's an eye-opening read that offers profound insights into the potential and implications of blockchain technology.

/* Blockchain.hpp:
#include <vector>
#include <memory>
#ifndef Blockchain_H
#define Blockchain_H

class Node;

class Block
{

    private:
        std::string m_correctHash;
        std::string m_prevHash; // hash of previous block in blockchain

    public:
        std::string m_transactionsData;
        uint32_t m_timestamp;

        // constructor
        Block(std::string& ar_transactionData, std::string& ar_prevHash);

        // empty constructor
        Block();
        
        // destructor
        ~Block();
        
    friend class Blockchain;

};

class Blockchain
{

    public:
        std::vector<std::unique_ptr<Block>> m_chain;
        std::string m_tmpTransactionsData;
        uint64_t m_currentIndex = -1; // current index is also always the last index in chain (if nothing went wrong)

        // constructor
        Blockchain ();

        // destructor
        ~Blockchain();
}
#endif
*/

#include <iostream>
#include <string>
#include <sstream>
#include <fstream>
#include <algorithm>
#include <iterator>
#include <vector>
#include <memory>
#include <thread>
#include <chrono>
#include <openssl/sha.h>
#include "./headers/timeutils.hpp"
#include "./headers/coinutils.hpp"
#include "./headers/Node.hpp"
#include "./headers/Blockchain.hpp"
#include "./headers/Marketplace.hpp"



// global variables

    /* constants */ 
const uint16_t         gc_NODE_COUNT                         = 15;
const uint16_t         gc_DIFFICULTY                         = 1000;
const uint16_t         gc_INITIAL_AMOUNT                     = gc_NODE_COUNT;
const uint16_t         gc_MAX_TRANSACTION_DATA_SIZE_IN_BYTES = 256;
const uint32_t         gc_TOTAL                              = 21000000;
const float            gc_REWARD                             = 6.25;
const std::string      gc_VOID_HASH                      = "0000000000000000000000000000000000000000000000000000000000000000";
     
    /* non-constants */ 
bool                   g_FINISHED                            = 0;
float                  g_TRANSACTION_FEE;   
float                  g_VALUE;
float                  g_BUY_VALUE;
float                  g_SELL_VALUE;
std::ofstream          logS("./.log");

std::thread g_subsystem(update, &g_TRANSACTION_FEE, &g_VALUE, &g_BUY_VALUE, &g_SELL_VALUE, &g_FINISHED);